document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176404>Question 176404</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help putting 25x^2+16y^2+150x=160y-225 in standard form and then finding the a^2 value.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131502 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=131502\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need help putting 25x^2+16y^2+150x=160y-225 in standard form and then finding the a^2 value. <BR>\n" );
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document.write( "Complete the square on the x-terms and on the y-terms:\r<BR>\n" );
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document.write( "25(x^2 + 6x + ?) + 16(y^2 - 10y + ?) = -225<BR>\n" );
document.write( "25(x^2 + 6x + 9) + 16(y^2 - 10y + 25) = -225 + 25*9 + 16*25<BR>\n" );
document.write( "25(x+3)^2 + 16(y-5)^2 = 400<BR>\n" );
document.write( "[(x+3)^2]/16 + [(y-5)^2]/25 = 1<BR>\n" );
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document.write( "a^2 = 25<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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